Star:EE is a fun way to enable ratings for your channel entries in ExpressionEngine3.
Star:EE also allows you to do some things like enable custom colored stars, number of stars used, multiple display types, custom CSS, and enables you to include your CSS and JS wherever you like for multiple usages.

Bloqs is the latest version of Blocks for ExpressionEngine 3 & 4. Bloqs makes creating rich content easy. You define types of blocks and associated styling. Your content editor chooses blocks to use on a page and fills them with content. Voila! Flexible and powerful.

This open source module helps to integrate the Giving Impact™ SAAS platform to combine easy to use EE Tags with the platforms secure, flexible, and powerful API. Giving Impact's fundraising API and services allows you integrate donation processing and campaign management directly within your website/app for a fully customizable solution.
Design and layout the campaign landing pages the way you want them to be. Giving Impact will provide key data and features including branded and secure checkout pages, up to date donation totals, recent donors, donor feedback, to name a few that can be incorporated into your EECMS templates as you'd like them to be.
Liberate your online fundraising/donation development.

The main aim for Perssonal (or peRSSonal) is to ease the creation of on-the-fly RSS feeds. Creating a single RSS feed is nothing special, but when you have multiple, you need something more flexible. Perssonal tries to fill this need.

Accept flexible donation payments on your site with any payment gateway including Authorize.net, PayPal, 2Checkout, SagePay, eWAY, and more. Donors can even create donation subscriptions which auto-recur each payment period, using the same billing engine as our Membrr addon.

Make it easier for you and your clients to use the EE control panel. Zoo Flexible Admin lets you fully customize the control panel menu per membergroup. Insert custom links, rename, re-order and remove menu items in order to create a more intuitive menu.
New features:
Breadcrumbs based on the custom created menu
Set Control panel startpage per membergroup
Auto-collapse sidebar per membergroup

In expressionEngine you can send email notifications informing about comment being posted.
Default implementation isn't very flexible: email can show wrong comment URL and to control
who will receive notifications you might need to enter manually a list of emails.
The purpose of this extension is fix these aspects of the default implementation of comment notifications.
Using this extension you will gain full control
to whom comment notifications will be sent and will be able to very flexibly form comment URLs which will be
displayed inside email messages.